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private-meth-static-obj-ptrn-id-init-fn-name-fn.js (3000B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
      3 // - src/dstr-binding/default/cls-expr-private-meth-static.template
      4 /*---
      5 description: SingleNameBinding assigns name to "anonymous" functions (private static class expression method)
      6 esid: sec-class-definitions-runtime-semantics-evaluation
      7 features: [class, class-static-methods-private, destructuring-binding]
      8 flags: [generated]
      9 info: |
     10    ClassExpression : class BindingIdentifieropt ClassTail
     11 
     12    1. If BindingIdentifieropt is not present, let className be undefined.
     13    2. Else, let className be StringValue of BindingIdentifier.
     14    3. Let value be the result of ClassDefinitionEvaluation of ClassTail
     15       with argument className.
     16    [...]
     17 
     18    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
     19 
     20    21. For each ClassElement m in order from methods
     21        a. If IsStatic of m is false, then
     22        b. Else,
     23           Let status be the result of performing PropertyDefinitionEvaluation for
     24           m with arguments F and false.
     25    [...]
     26 
     27    14.3.8 Runtime Semantics: DefineMethod
     28 
     29    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
     30 
     31    [...]
     32    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
     33       scope, strict). If functionPrototype was passed as a parameter then pass its
     34       value as the functionPrototype optional argument of FunctionCreate.
     35    [...]
     36 
     37    9.2.1 [[Call]] ( thisArgument, argumentsList)
     38 
     39    [...]
     40    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     41    [...]
     42 
     43    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     44 
     45    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     46    [...]
     47 
     48    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     49 
     50    [...]
     51    23. Let iteratorRecord be Record {[[iterator]]:
     52        CreateListIterator(argumentsList), [[done]]: false}.
     53    24. If hasDuplicates is true, then
     54        [...]
     55    25. Else,
     56        b. Let formalStatus be IteratorBindingInitialization for formals with
     57           iteratorRecord and env as arguments.
     58    [...]
     59 
     60    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
     61 
     62    SingleNameBinding : BindingIdentifier Initializeropt
     63 
     64    [...]
     65    6. If Initializer is present and v is undefined, then
     66       [...]
     67       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
     68          i. Let hasNameProperty be HasOwnProperty(v, "name").
     69          ii. ReturnIfAbrupt(hasNameProperty).
     70          iii. If hasNameProperty is false, perform SetFunctionName(v,
     71               bindingId).
     72 ---*/
     73 
     74 var callCount = 0;
     75 var C = class {
     76  static #method({ fn = function () {}, xFn = function x() {} }) {
     77    assert.sameValue(fn.name, 'fn');
     78    assert.notSameValue(xFn.name, 'xFn');
     79    callCount = callCount + 1;
     80  }
     81 
     82  static get method() {
     83    return this.#method;
     84  }
     85 };
     86 
     87 C.method({});
     88 assert.sameValue(callCount, 1, 'method invoked exactly once');
     89 
     90 reportCompare(0, 0);